随笔分类 -  LCA

PAT甲级1151（由前序和中序确定LCA）
摘要：The lowest common ancestor (LCA) of two nodes U and V in a tree is the deepest node that has both U and V as descendants. Given any two nodes in a bin 阅读全文
posted @ 2019-08-16 09:28 black_hole6 阅读(549) 评论(0) 推荐(0) 编辑